diff --git a/src/ops.c b/src/ops.c
index b205cbb..0adb2bc 100644
--- a/src/ops.c
+++ b/src/ops.c
@@ -3355,7 +3355,7 @@
     free_yank_all();
     *y_current = *curr;
     y_current->y_array = (char_u **)lalloc_clear(
-			(long_u)(sizeof(char_u *) * y_current->y_size), TRUE);
+				    sizeof(char_u *) * y_current->y_size, TRUE);
     if (y_current->y_array == NULL)
 	y_current->y_size = 0;
     else